Water　hyacinth　is　an　invasive　weed　because　of　its　high　reproductive　capacity,　adaptability,　nutritional　requirements　and　resistance　to　adverse　environments.　It　is　impossible　to　eradicate　and　difficult　to　control.　Since　water　hyacinth　is　mainly　composed　of　lignin,　cellulose,　hemicellulose　and　water　(around　90%).This　paper　introduced　the　current　researches　and　perspectives　of　the　utilization　of　water　hyacinth.　©　(2014)　Trans　Tech　Publications,　Switzerland.